OK, let's crack this. We're given 487 and our task is to multiply it by 70. Essentially, we'll be adding 487 to itself 70 times.
Step 1: 0 + 487 = 487
Step 2: 487 + 487 = 974
Step 3: 974 + 487 = 1461
Step 4: 1461 + 487 = 1948
Step 5: 1948 + 487 = 2435
Step 6: 2435 + 487 = 2922
Step 7: 2922 + 487 = 3409
Step 8: 3409 + 487 = 3896
Step 9: 3896 + 487 = 4383
Step 10: 4383 + 487 = 4870
Step 11: 4870 + 487 = 5357
Step 12: 5357 + 487 = 5844
Step 13: 5844 + 487 = 6331
Step 14: 6331 + 487 = 6818
Step 15: 6818 + 487 = 7305
Step 16: 7305 + 487 = 7792
Step 17: 7792 + 487 = 8279
Step 18: 8279 + 487 = 8766
Step 19: 8766 + 487 = 9253
Step 20: 9253 + 487 = 9740
Step 21: 9740 + 487 = 10227
Step 22: 10227 + 487 = 10714
Step 23: 10714 + 487 = 11201
Step 24: 11201 + 487 = 11688
Step 25: 11688 + 487 = 12175
Step 26: 12175 + 487 = 12662
Step 27: 12662 + 487 = 13149
Step 28: 13149 + 487 = 13636
Step 29: 13636 + 487 = 14123
Step 30: 14123 + 487 = 14610
Step 31: 14610 + 487 = 15097
Step 32: 15097 + 487 = 15584
Step 33: 15584 + 487 = 16071
Step 34: 16071 + 487 = 16558
Step 35: 16558 + 487 = 17045
Step 36: 17045 + 487 = 17532
Step 37: 17532 + 487 = 18019
Step 38: 18019 + 487 = 18506
Step 39: 18506 + 487 = 18993
Step 40: 18993 + 487 = 19480
Step 41: 19480 + 487 = 19967
Step 42: 19967 + 487 = 20454
Step 43: 20454 + 487 = 20941
Step 44: 20941 + 487 = 21428
Step 45: 21428 + 487 = 21915
Step 46: 21915 + 487 = 22402
Step 47: 22402 + 487 = 22889
Step 48: 22889 + 487 = 23376
Step 49: 23376 + 487 = 23863
Step 50: 23863 + 487 = 24350
Step 51: 24350 + 487 = 24837
Step 52: 24837 + 487 = 25324
Step 53: 25324 + 487 = 25811
Step 54: 25811 + 487 = 26298
Step 55: 26298 + 487 = 26785
Step 56: 26785 + 487 = 27272
Step 57: 27272 + 487 = 27759
Step 58: 27759 + 487 = 28246
Step 59: 28246 + 487 = 28733
Step 60: 28733 + 487 = 29220
Step 61: 29220 + 487 = 29707
Step 62: 29707 + 487 = 30194
Step 63: 30194 + 487 = 30681
Step 64: 30681 + 487 = 31168
Step 65: 31168 + 487 = 31655
Step 66: 31655 + 487 = 32142
Step 67: 32142 + 487 = 32629
Step 68: 32629 + 487 = 33116
Step 69: 33116 + 487 = 33603
Step 70: 33603 + 487 = 34090

So, 487*70 = 34090